Home / 1,206,547.73-1,665,030.80-662,681.78

Finding the Fourth Proportional to 1,206,547.73, 1,665,030.80 and 662,681.78

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Solution

The fourth proportional to 1,206,547.73, 1,665,030.80 and 662,681.78 is: 914,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,547.73 : 1,665,030.80 = 662,681.78 : x
  2. Step 2: Convert to fraction form
    1,206,547.73/1,665,030.80 = 662,681.78/x
  3. Step 3: Cross multiply
    1,206,547.73x = 1,665,030.80 × 662,681.78
  4. Step 4: Simplify right side
    1,206,547.73x = 1,103,385,570,985.42
  5. Step 5: Solve for x
    x = 1,103,385,570,985.42/1,206,547.73
  6. Step 6: Final answer
    x = 914,498.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.